2018
DOI: 10.1002/admi.201800969
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Organic Thin‐Film Capacitive and Resistive Humidity Sensors: A Focus Review

Abstract: In this paper, organic‐based capacitive and resistive humidity sensors, starting from the fundamental working principles, designs, and characterization, are reviewed. The prevalent adoptions of recent technology in the fabrication of the organic humidity sensors are also discussed. This paper is envisioned to serve as a complete reference guide for researchers who are looking forward to developing a more reliable, economical, and effective humidity sensor using organic/polymeric materials.

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Cited by 161 publications
(75 citation statements)
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“…Commonly, mechanisms of changes in electrical resistance or capacitance were applied to design the humidity sensor based on fibers/fabrics. [255] Choi et al developed a nitrogen-doped graphene fiber by wetspinning and thermal annealing, which was further decorated by ultrathin (≈2 nm) platinum nanoparticles (Pt NPs) through optical sintering technique (Figure 15a). [256] The Pt NPs possess effective dissociation ability for water molecules, crucial for enhancing the humidity sensing performance of the rGO fiber, realizing increased sensitivity from 3.53% to 4.51%.…”
Section: Fiber/fabric-based Humidity Sensorsmentioning
confidence: 99%
“…Commonly, mechanisms of changes in electrical resistance or capacitance were applied to design the humidity sensor based on fibers/fabrics. [255] Choi et al developed a nitrogen-doped graphene fiber by wetspinning and thermal annealing, which was further decorated by ultrathin (≈2 nm) platinum nanoparticles (Pt NPs) through optical sintering technique (Figure 15a). [256] The Pt NPs possess effective dissociation ability for water molecules, crucial for enhancing the humidity sensing performance of the rGO fiber, realizing increased sensitivity from 3.53% to 4.51%.…”
Section: Fiber/fabric-based Humidity Sensorsmentioning
confidence: 99%
“…[ 56 ] However, the sensitivity of capacitance sensors to parasitic capacitance and edge capacitance may hinder its practical application in humidity sensing. [ 57 ]…”
Section: Flexible Sensors Components and Architecturesmentioning
confidence: 99%
“…[ 4 , 5 , 6 ]. Resistive, capacitive, and impedance-based humidity sensors have similar device structure and are commonly used due to their facile fabrication, simplicity of operation, cost-effectiveness, and low driven power [ 5 , 6 , 7 ]. The performance of any type of humidity sensor is strongly dependent on the functional material which can bring good change to its electrical properties with respect to variation in humidity.…”
Section: Introductionmentioning
confidence: 99%